How do I calculate the Velocity when only given the force and weight?

  • Thread starter camel-man
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  • #1
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I do not know how to calculate the velocity of a 50.0g steel ball shot from a slingshot with a 120N/m spring constant when pulled back 35cm and released.

Can someone help me with the formulas to use?
 

Answers and Replies

  • #2
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As this looks like homework, I moved the thread to the homework section.

Did you try energy conservation?
 
  • #3
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The elastic potential energy is given by [itex]PE=\frac{1}{2}kx^2[/itex]

The potential energy will be converted to kinetic energy given by [itex]KE=\frac{1}{2}mv^2[/itex]
 

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